TW558695B - Circuit and method for controlling frame ratio of LCD and LCD system having the same - Google Patents

Circuit and method for controlling frame ratio of LCD and LCD system having the same Download PDF

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Publication number
TW558695B
TW558695B TW091120125A TW91120125A TW558695B TW 558695 B TW558695 B TW 558695B TW 091120125 A TW091120125 A TW 091120125A TW 91120125 A TW91120125 A TW 91120125A TW 558695 B TW558695 B TW 558695B
Authority
TW
Taiwan
Prior art keywords
frame
signal
ratio
data
liquid crystal
Prior art date
Application number
TW091120125A
Other languages
English (en)
Chinese (zh)
Inventor
Hyun-Oh Lee
Ki-Seok Jung
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of TW558695B publication Critical patent/TW558695B/zh

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3648Control of matrices with row and column drivers using an active matrix
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/04Changes in size, position or resolution of an image
    • G09G2340/0407Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0435Change or adaptation of the frame rate of the video stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
TW091120125A 2001-09-25 2002-09-04 Circuit and method for controlling frame ratio of LCD and LCD system having the same TW558695B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2001-0059335A KR100429880B1 (ko) 2001-09-25 2001-09-25 Lcd 프레임 비율 제어 회로 및 방법과 lcd 시스템

Publications (1)

Publication Number Publication Date
TW558695B true TW558695B (en) 2003-10-21

Family

ID=19714654

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091120125A TW558695B (en) 2001-09-25 2002-09-04 Circuit and method for controlling frame ratio of LCD and LCD system having the same

Country Status (4)

Country Link
US (1) US6870531B2 (ko)
JP (1) JP2003177729A (ko)
KR (1) KR100429880B1 (ko)
TW (1) TW558695B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100585105B1 (ko) * 2003-11-05 2006-06-01 삼성전자주식회사 메모리 갱신 동작 전류를 감소시킬 수 있는 타이밍컨트롤러, 이를 구비하는 lcd 드라이버 및 디스플레이데이터 출력방법
US7315957B1 (en) 2003-12-18 2008-01-01 Nvidia Corporation Method of providing a second clock while changing a first supplied clock frequency then supplying the changed first clock
KR100555576B1 (ko) * 2004-10-13 2006-03-03 삼성전자주식회사 디스플레이 시스템에서 외부 메모리 없이 프레임 레이트변환하는 장치 및 방법
CN100505796C (zh) * 2004-11-24 2009-06-24 中兴通讯股份有限公司 一种手机显示时间的方法
US9262837B2 (en) 2005-10-17 2016-02-16 Nvidia Corporation PCIE clock rate stepping for graphics and platform processors
US20080055318A1 (en) * 2006-08-31 2008-03-06 Glen David I J Dynamic frame rate adjustment
KR101486254B1 (ko) * 2008-10-10 2015-01-28 삼성전자주식회사 프레임 레이트 변환 설정방법 및 이를 적용한 디스플레이 장치
JP5428565B2 (ja) * 2009-06-19 2014-02-26 ソニー株式会社 情報再生装置、および情報再生方法、並びにプログラム

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US5070409A (en) * 1989-06-13 1991-12-03 Asahi Kogaku Kogyo Kabushiki Kaisha Liquid crystal display device with display holding device
JPH04323691A (ja) * 1991-04-23 1992-11-12 Ricoh Co Ltd 表示制御装置
DE69224661T2 (de) * 1991-12-17 1998-08-27 Compaq Computer Corp Vorrichtung zur verminderung des energieverbrauchs eines rechnersystems
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JPH07152340A (ja) * 1993-11-30 1995-06-16 Rohm Co Ltd ディスプレイ装置
JP2902290B2 (ja) * 1994-01-11 1999-06-07 キヤノン株式会社 表示制御システム
JP3511409B2 (ja) * 1994-10-27 2004-03-29 株式会社半導体エネルギー研究所 アクティブマトリクス型液晶表示装置およびその駆動方法
JP3630489B2 (ja) * 1995-02-16 2005-03-16 株式会社東芝 液晶表示装置
JP3234131B2 (ja) * 1995-06-23 2001-12-04 株式会社東芝 液晶表示装置
US6329973B1 (en) * 1995-09-20 2001-12-11 Hitachi, Ltd. Image display device
JP3547864B2 (ja) * 1995-10-20 2004-07-28 インターナショナル・ビジネス・マシーンズ・コーポレーション 節電装置及び方法
JPH09244595A (ja) * 1996-03-08 1997-09-19 Canon Inc 表示制御方法および装置ならびに表示システム
JPH09243996A (ja) * 1996-03-11 1997-09-19 Matsushita Electric Ind Co Ltd 液晶表示装置、液晶表示システム及びコンピュータシステム
US6691236B1 (en) * 1996-06-03 2004-02-10 Hewlett-Packard Development Company, L.P. System for altering operation of a graphics subsystem during run-time to conserve power upon detecting a low power condition or lower battery charge exists
KR19980060007A (ko) * 1996-12-31 1998-10-07 김광호 액정 표시 장치의 소비 전력 감소 회로
JP3617896B2 (ja) * 1997-02-12 2005-02-09 株式会社東芝 液晶表示装置及び駆動方法
JPH113063A (ja) * 1997-06-10 1999-01-06 Toshiba Corp 情報処理装置及び表示制御方法
JP3233895B2 (ja) * 1998-02-10 2001-12-04 アルプス電気株式会社 表示装置およびその駆動方法
JP3586369B2 (ja) * 1998-03-20 2004-11-10 インターナショナル・ビジネス・マシーンズ・コーポレーション ビデオ・クロックの周波数を下げる方法及びコンピュータ
JP3903090B2 (ja) * 1998-05-22 2007-04-11 富士フイルム株式会社 電子カメラ
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JP3644672B2 (ja) * 1999-07-09 2005-05-11 シャープ株式会社 表示装置およびその駆動方法
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JP3498033B2 (ja) * 2000-02-28 2004-02-16 Nec液晶テクノロジー株式会社 表示装置、携帯用電子機器および表示装置の駆動方法
JP2001306038A (ja) * 2000-04-26 2001-11-02 Mitsubishi Electric Corp 液晶表示装置およびそれを用いた携帯機器
JP3766926B2 (ja) * 2000-04-28 2006-04-19 シャープ株式会社 表示装置の駆動方法およびそれを用いた表示装置ならびに携帯機器
GB2373121A (en) * 2001-03-10 2002-09-11 Sharp Kk Frame rate controller
JP3749147B2 (ja) * 2001-07-27 2006-02-22 シャープ株式会社 表示装置

Also Published As

Publication number Publication date
KR100429880B1 (ko) 2004-05-03
JP2003177729A (ja) 2003-06-27
US20030058206A1 (en) 2003-03-27
KR20030028647A (ko) 2003-04-10
US6870531B2 (en) 2005-03-22

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GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees